package com.hnevc.caoliuye;

public class Homework {
    public static void main(String[] args) {
        for (int i = 1; i <=4; i++) {
            for (int j = 0; j <  i; j++) {
                System.out.print("");
            }
            for (int m = 1; m <=7-2*(i-1); m++) {
                System.out.print("*");//打印字符
            }
            System.out.println();
        }
    }
}
